What factors contributed to the failure of the Indian Reservation System?

There were two reasons why the treaty system was abandoned. 1. First, white settlers needed more and more land, and the fact that tribes were treated as separate nations with separate citizens made it more difficult to take land from them and "assimilate" them into the general population.

Explanation:

sorry i was to lazy to give you a more understanding answer

the tallest building in the western hemisphere and the sixth tallest building in the world

they thoght they were going to nuke each other